1 /*
   2  * Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 
  25 #include "precompiled.hpp"
  26 #include "gc/g1/g1HeapVerifier.hpp"
  27 #include "logging/logConfiguration.hpp"
  28 #include "unittest.hpp"
  29 
  30 TEST(G1HeapVerifier, parse) {
  31   G1HeapVerifier verifier(NULL);
  32 
  33   LogConfiguration::configure_stdout(LogLevel::Off, true, LOG_TAGS(gc, verify));
  34 
  35   // Default is to verify everything.
  36   ASSERT_TRUE(verifier.should_verify(G1HeapVerifier::G1VerifyAll));
  37   ASSERT_TRUE(verifier.should_verify(G1HeapVerifier::G1VerifyYoungOnly));
  38   ASSERT_TRUE(verifier.should_verify(G1HeapVerifier::G1VerifyInitialMark));
  39   ASSERT_TRUE(verifier.should_verify(G1HeapVerifier::G1VerifyMixed));
  40   ASSERT_TRUE(verifier.should_verify(G1HeapVerifier::G1VerifyRemark));
  41   ASSERT_TRUE(verifier.should_verify(G1HeapVerifier::G1VerifyCleanup));
  42   ASSERT_TRUE(verifier.should_verify(G1HeapVerifier::G1VerifyFull));
  43 
  44   // Setting one will disable all other.
  45   verifier.parse_verification_type("full");
  46   ASSERT_FALSE(verifier.should_verify(G1HeapVerifier::G1VerifyAll));
  47   ASSERT_FALSE(verifier.should_verify(G1HeapVerifier::G1VerifyYoungOnly));
  48   ASSERT_FALSE(verifier.should_verify(G1HeapVerifier::G1VerifyInitialMark));
  49   ASSERT_FALSE(verifier.should_verify(G1HeapVerifier::G1VerifyMixed));
  50   ASSERT_FALSE(verifier.should_verify(G1HeapVerifier::G1VerifyRemark));
  51   ASSERT_FALSE(verifier.should_verify(G1HeapVerifier::G1VerifyCleanup));
  52   ASSERT_TRUE(verifier.should_verify(G1HeapVerifier::G1VerifyFull));
  53 
  54   // Verify case sensitivity.
  55   verifier.parse_verification_type("YOUNG-ONLY");
  56   ASSERT_FALSE(verifier.should_verify(G1HeapVerifier::G1VerifyYoungOnly));
  57   verifier.parse_verification_type("young-only");
  58   ASSERT_TRUE(verifier.should_verify(G1HeapVerifier::G1VerifyYoungOnly));
  59 
  60   // Verify perfect match
  61   verifier.parse_verification_type("mixedgc");
  62   ASSERT_FALSE(verifier.should_verify(G1HeapVerifier::G1VerifyMixed));
  63   verifier.parse_verification_type("mixe");
  64   ASSERT_FALSE(verifier.should_verify(G1HeapVerifier::G1VerifyMixed));
  65   verifier.parse_verification_type("mixed");
  66   ASSERT_TRUE(verifier.should_verify(G1HeapVerifier::G1VerifyMixed));
  67 
  68   // Verify the last three
  69   verifier.parse_verification_type("initial-mark");
  70   verifier.parse_verification_type("remark");
  71   verifier.parse_verification_type("cleanup");
  72   ASSERT_TRUE(verifier.should_verify(G1HeapVerifier::G1VerifyRemark));
  73   ASSERT_TRUE(verifier.should_verify(G1HeapVerifier::G1VerifyCleanup));
  74 
  75   // Enabling all is not the same as G1VerifyAll
  76   ASSERT_FALSE(verifier.should_verify(G1HeapVerifier::G1VerifyAll));
  77 }